All Questions
Tagged with fundamental-astronomy star
10
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Why do astronomers use the equatorial coordinate system that moves, instead of one based on fixed, distant stars?
As an outsider to the field, I am surprised to learn that astronomers commonly use the equatorial coordinate system, in which fixed stars are not actually fixed.
Isn't that making life harder than it ...
- 505
1
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1
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Why do most of the myths behind constellations originate from Greek? [closed]
Why do most of the myths regarding constellations happen to have begun from Greek civilization? Why not other civilizations?
Most people who lived in the past era probably observed star patterns in ...
- 27
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How can the temperature of stars can be determined by their color?
How do you determine the temperature of a star by color?
- 19
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2
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Finding the radius of a star in arcsec
If i know the radius r of a star in cm, how can I convert it to arcseconds?
For example, if I have a star with r = 3.18e13 cm, and distance to the star d = 220 parsecs, what is the relation to ...
- 69
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Creating a rectangular star map
I'm trying to find/create a star map between the declinations of -45 to +60, and need it to be a rectangle. Is there any software/website that would let me create this? Is there a name for this kind ...
- 53
2
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3
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How to calculate position of an unknown star knowing positions of some other stars from an image?
Suppose I know the coordinates (right ascension and declination) of the stars marked with red. How should I calculate the coordinates of an unknown star, marked with yellow?
Searching over the web, I ...
- 21
8
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1
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714
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Astronomical databases for machine learning?
I was reading this question about open problems in astronomy. The bounty-receiving answer says that
I have just left the field where some colleagues are trying to develop some software to use ...
- 83
7
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1
answer
265
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Requesting book references for a non-expert person with math background or just a non-expert person
I've just finished my masters degree (to be exact previous week ^_^). And I'm completing my collection of applications of my studies. During previous year I started reading about Robotics and Coding ...
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4
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How to calculate Longitude from Right Ascension?
Considering that a star of certain declination is crossing the local meridian at the observer's zenith at an unknown location on the earth. Here, the declination of the star is equal to the observer's ...
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